Mexican Honeysuckle vs Philodendron Selloum Plant Comparison

Compare these two plants side by side — care needs, key differences, and which is right for your home.

Mexican Honeysuckle

Mexican Honeysuckle

Justicia spicigera

VS
Philodendron Selloum

Philodendron Selloum

Thaumatophyllum bipinnatifidum (syn. Philodendron selloum)

Mexican Honeysuckle

Mexican Honeysuckle

Justicia spicigera

Justicia spicigera, commonly known as Mexican Honeysuckle, is a shrub native to Mexico. It typically grows to a height of 3-5 feet. It features lance-shaped, dark green leaves and produces vibrant orange, tubular flowers that bloom profusely, attracting hummingbirds and butterflies. It is primarily grown outdoors in warm climates for its ornamental value and its ability to attract pollinators. While it can be grown in containers, it requires significant sunlight and humidity to thrive indoors, making it challenging for most home environments.

Acanthaceae Mexico
✨ Features: Attracts hummingbirds and butterflies.
📖 Read Complete Mexican Honeysuckle Guide
Philodendron Selloum

Philodendron Selloum

Thaumatophyllum bipinnatifidum (syn. Philodendron selloum)

Thaumatophyllum bipinnatifidum, commonly known as Selloum, is a large, evergreen plant characterized by its deeply lobed, glossy green leaves. It is often grown as an ornamental plant, both indoors and outdoors, although it thrives best in warm, humid environments. While often referred to as a Philodendron, it was reclassified into the genus Thaumatophyllum. In its natural habitat, it can grow quite large, forming a trunk-like stem. People grow it for its dramatic foliage and tropical appearance, adding a lush, architectural element to landscapes and interiors. It is primarily an outdoor plant but can adapt to indoor conditions with proper care.

Araceae South America, specifically Brazil, Paraguay, Bolivia, and Argentina
✨ Features: Dramatic foliage, air purifying qualities (though not as significant as some other plants).
📖 Read Complete Philodendron Selloum Guide

Quick Plant Comparison

Feature Mexican Honeysuckle Philodendron Selloum
Light Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal flowering. Bright, indirect light. Can tolerate some direct morning sun, but avoid intense afternoon sun.
Watering Every 5-7 days during the growing season, less frequently in winter. Every 1-2 weeks, depending on environmental conditions and pot size.
Humidity 40-60% 40-70%
Temperature 18-27°C 18-24°C
Care Level Expert Moderate
Growth Rate Moderate Moderate
Max Height 1-2 feet (indoors, in a container) 1-1.5 meters indoors
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining potting mix with added perlite or sand. Well-draining potting mix, such as a mix of peat moss, perlite, and pine bark.
Beginner Friendly ❌ No With Caution
Weekly Maintenance 30 minutes weekly 15 minutes weekly

🔬 Botanical Information — Comparing These Plants

Mexican Honeysuckle

Scientific Name Justicia spicigera
Family Acanthaceae
Native To Mexico
Also Known As Mexican Honeysuckle, Firecracker Plant, Mohintli
Leaves The leaves are lance-shaped, dark green, and approximately 2-4 inches long. They have a slightly rough texture and are arranged oppositely along the stems.
Flowers It rarely flowers indoors due to insufficient light. Outdoors, it produces vibrant orange, tubular flowers that are about 1-2 inches long. The flowers bloom profusely during the warmer months.

Philodendron Selloum

Scientific Name Thaumatophyllum bipinnatifidum (syn. Philodendron selloum)
Family Araceae
Native To South America, specifically Brazil, Paraguay, Bolivia, and Argentina
Also Known As Split-leaf Philodendron, Selloum, Horsehead Philodendron, Lacy Tree Philodendron
Leaves The leaves are large, deeply lobed, and glossy green. They can grow up to 90 cm long and 60 cm wide. The lobes are irregular and give the leaves a distinctive, feathery appearance. New leaves emerge a lighter green and gradually darken with age.
Flowers It rarely flowers indoors. When it does flower, it produces a spadix and spathe, typical of plants in the Araceae family. The flowers are not particularly showy.

📏 Size & Growth — Plant Comparison

Mexican Honeysuckle

Height 1-2 feet (indoors, in a container)
Spread 1-2 feet (indoors, in a container)
Growth Rate Moderate
Growth Pattern It grows as a shrub with multiple stems, reaching a height of 3-5 feet outdoors. Indoors, it can be maintained at a smaller size with regular pruning. It has an upright, bushy growth habit.

Philodendron Selloum

Height 1-1.5 meters indoors
Spread 1-2 meters indoors
Growth Rate Moderate
Growth Pattern It grows upright and outwards, forming a dense clump of foliage. Over time, it can develop a trunk-like stem. It does not spread aggressively via rhizomes like some other Philodendrons.

🌱 Propagation — Comparing Plant Growth

Mexican Honeysuckle

Methods: Stem cuttings, Seed

Difficulty: Easy

Tips: Take stem cuttings in spring or summer. Dip the cut end in rooting hormone and plant in moist potting mix. Keep the cutting in a warm, humid environment until roots develop.

Philodendron Selloum

Methods: Stem cuttings, Division, Seed (rarely used)

Difficulty: Moderate

Tips: Take stem cuttings with aerial roots. Allow the cut end to callous over for a day or two before planting in moist potting mix. Keep the cutting warm and humid.

✨ Benefits & Features — Comparing Plant Value

Mexican Honeysuckle

The vibrant orange, tubular flowers are a major attraction for hummingbirds and butterflies. The plant's traditional use in Mexican folk medicine adds to its cultural significance.

  • ✓ Attracts pollinators like hummingbirds and butterflies.
  • ✓ Adds vibrant color to the garden.
  • ✓ Provides a natural remedy for respiratory ailments (in traditional medicine).
  • ✓ Enhances the aesthetic appeal of outdoor spaces.
  • ✓ Relatively easy to propagate.
  • ⚠️ Toxic to pets

Philodendron Selloum

Its deeply lobed leaves give it a unique and dramatic appearance. It's also relatively easy to propagate from stem cuttings. The plant's size and architectural form make it a standout feature in any space.

  • ✓ Adds a tropical aesthetic to your space.
  • ✓ Can improve indoor air quality.
  • ✓ Provides a sense of calm and connection to nature.
  • ✓ Its large leaves create a visually striking focal point.
  • ✓ Relatively low-maintenance once established.
  • 🌬️ NASA-verified air purifier
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Mexican Honeysuckle

Repotting Repot every 1-2 years in spring, or when the plant becomes root-bound.
Pruning Prune regularly to maintain shape and encourage blooming. Remove dead or damaged branches.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, every 4-6 weeks during the growing season.
Seasonal Care In winter, reduce watering and protect from frost. In summer, provide ample water and sunlight. Prune after flowering to encourage new growth.

Philodendron Selloum

Repotting Every 1-2 years, or when the plant becomes root-bound.
Pruning Remove yellowing or damaged leaves as needed. Prune to control size and shape.
Fertilizing Balanced liquid fertilizer (20-20-20) diluted to half strength, every 4-6 weeks during the growing season (spring and summer).
Seasonal Care Reduce watering in winter as growth slows. Provide supplemental light if needed. Increase watering and fertilizing during the growing season (spring and summer).

🌞 Light Requirements

Mexican Honeysuckle

Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal flowering.

Low light tolerant: ❌ No

Philodendron Selloum

Bright, indirect light. Can tolerate some direct morning sun, but avoid intense afternoon sun.

Low light tolerant: ✅ Yes

💧 Watering Needs

Mexican Honeysuckle

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. In hotter months, more frequent watering may be necessary. Signs of underwatering include wilting leaves, while overwatering can cause yellowing leaves and soggy soil.

Philodendron Selloum

Water thoroughly when the top 2-3 inches of soil are dry. Allow excess water to drain away. Overwatering can lead to root rot, indicated by yellowing leaves and a musty smell. Underwatering results in drooping leaves and dry, crispy edges.

🌡️ Temperature & Humidity

Mexican Honeysuckle

Temperature: 18-27°C

Humidity: 40-60%

Philodendron Selloum

Temperature: 18-24°C

Humidity: 40-70%

🤔 Which Plant Is Right For You?

Mexican Honeysuckle

Mexican Honeysuckle

Justicia spicigera
Care: Expert Time: 30 minutes weekly Beginner: No

Experienced gardeners in warm climates who want to attract hummingbirds and butterflies to their outdoor space.

✅ Choose This Plant If...

  • You live in a warm climate with plenty of sunshine.
  • You want to attract hummingbirds and butterflies to your garden.
  • You enjoy vibrant orange flowers.
  • You are an experienced gardener looking for a rewarding plant.
  • You have a large outdoor space to accommodate its growth.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You live in a cold climate with limited sunlight.
  • You are a beginner gardener.
  • You don't have much outdoor space.
  • You are looking for a low-maintenance indoor plant.
📍 Ideal Location: Sunny patio or garden.
🎨 Style: Tropical, Southwestern, Cottage
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Justicia species are toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, and dermatitis. All parts of the plant are considered toxic.
Philodendron Selloum

Philodendron Selloum

Thaumatophyllum bipinnatifidum (syn. Philodendron selloum)
Care: Moderate Time: 15 minutes weekly Beginner: With-caution

Experienced plant enthusiasts who can provide ample space and attention to its specific needs.

✅ Choose This Plant If...

  • You want a bold, tropical statement plant.
  • You have a bright, indirect light location.
  • You are experienced with plant care and can manage its needs.
  • You appreciate its architectural foliage.
  • You are prepared to provide ample space for its growth.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You have limited space.
  • You tend to overwater your plants.
📍 Ideal Location: Living room, sunroom, or any room with bright, indirect light.
🎨 Style: Tropical, Bohemian, Modern
🏠 Apartment Friendly: Limited
🌬️ Air Purifying: Yes (NASA verified)
⚠️ All parts of the plant contain calcium oxalate crystals, which are toxic to dogs, cats, and horses. Symptoms include oral irritation, excessive drooling, vomiting, and difficulty swallowing.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Neither - caution
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

🎯

Mexican Honeysuckle is rated Expert care level, while Philodendron Selloum is Moderate.

💡 Pro Tips For Comparing These Plants

Mexican Honeysuckle Care Tips

Mexican Honeysuckle is best suited for outdoor environments with ample sunlight. Indoor cultivation is challenging due to its high light and humidity requirements. It needs regular pruning to maintain shape and encourage blooming. It is toxic to pets, so caution is needed.

  • Provide at least 6 hours of direct sunlight daily.
  • Water deeply but infrequently, allowing the soil to dry out slightly between waterings.
  • Fertilize regularly during the growing season with a balanced fertilizer.
  • Prune after flowering to encourage new growth and maintain shape.
  • Protect from frost in colder climates.
❄️ Winter: Reduce watering significantly during winter. Protect from frost by moving potted plants indoors or covering them with frost cloth. Avoid fertilizing during the dormant period.
☀️ Summer: Provide ample water and sunlight during the summer months. Fertilize regularly to support flowering. Monitor for pests and diseases and treat promptly.

Philodendron Selloum Care Tips

While adaptable to indoor conditions, Selloum prefers bright, indirect light and well-draining soil. Maintaining adequate humidity and avoiding overwatering are crucial for its health. It can become quite large, requiring ample space. Regular cleaning of the leaves will keep it looking its best.

  • Wipe the leaves regularly with a damp cloth to remove dust and improve photosynthesis.
  • Provide a moss pole or other support for the plant to climb, mimicking its natural growth habit.
  • Rotate the plant regularly to ensure even growth on all sides.
  • Avoid placing the plant near drafts or heating vents.
  • Monitor for pests regularly and treat promptly.
❄️ Winter: Reduce watering frequency as the plant's growth slows down. Ensure the plant is not exposed to cold drafts. Provide supplemental light if needed, especially in regions with short days.
☀️ Summer: Water more frequently during the summer months as the plant actively grows. Protect the plant from intense afternoon sun to prevent leaf burn. Increase humidity by misting the leaves regularly.

⚠️ Common Problems & Solutions — Plant Care Comparison

Mexican Honeysuckle

Common Issues: Spider mites, Aphids, Root rot, Lack of flowering
Solutions: Spider mites: Treat with insecticidal soap or neem oil. Aphids: Wash off with a strong stream of water or use insecticidal soap. Root rot: Ensure well-draining soil and avoid overwatering. Lack of flowering: Provide more sunlight and fertilize regularly.

Philodendron Selloum

Common Issues: Yellowing leaves, Root rot, Pest infestations (spider mites, mealybugs), Leaf spot
Solutions: Yellowing leaves: Adjust watering schedule and check for nutrient deficiencies. | Root rot: Repot in fresh, well-draining soil and reduce watering frequency. | Pest infestations: Treat with insecticidal soap or neem oil. | Leaf spot: Improve air circulation and avoid wetting the foliage.

❓ Frequently Asked Questions — Comparing These Plants

Mexican Honeysuckle

What are the light requirements for Mexican Honeysuckle?

Mexican Honeysuckle requires ample sunlight to produce abundant blooms. Ideally, provide at least 6 hours of direct sunlight daily. In hotter climates, afternoon shade can prevent scorching. Insufficient light can result in fewer flowers and leggy growth. If growing indoors, place near a sunny window or supplement with grow lights. Rotate the plant regularly to ensure even light exposure. During the winter months, when sunlight is less intense, consider using grow lights to maintain optimal light levels. A south-facing window is ideal for indoor plants.

How do I care for Mexican Honeysuckle?

Mexican Honeysuckle thrives in well-draining soil and prefers full sun to partial shade. Water regularly, allowing the soil to dry slightly between waterings. Fertilize monthly during the growing season (spring and summer) with a balanced fertilizer to encourage blooming. Prune lightly after flowering to maintain shape and promote bushier growth. Protect from frost in colder climates by bringing container plants indoors or providing adequate cover. Ensure good air circulation to prevent fungal diseases. Monitor for pests such as aphids and treat as needed. Repot every 1-2 years as needed. Provide support for climbing varieties. Maintain humidity levels around 50-60%.

How do I propagate Mexican Honeysuckle?

Mexican Honeysuckle can be easily propagated through stem cuttings or division. For stem cuttings, take a 4-6 inch cutting from a healthy stem, remove the lower leaves, and dip the cut end in rooting hormone. Plant the cutting in moist potting mix and keep it humid by covering it with a plastic bag or dome. Roots should develop in 4-6 weeks. For division, carefully dig up a mature plant and separate the root ball into smaller sections, ensuring each section has healthy roots and stems. Replant the divisions in separate pots. Keiki propagation is not applicable to Mexican Honeysuckle.

Philodendron Selloum

What are the light requirements for Philodendron Selloum?

Philodendron Selloum flourishes in bright, indirect light. Avoid direct sunlight, especially during the hottest part of the day, as it can cause leaf burn. An east-facing window is ideal, or a spot near a south or west-facing window that is filtered by a sheer curtain. If the plant is not receiving enough light, the leaves may become pale or the stems may become leggy. Rotate the plant regularly to ensure even growth on all sides. Artificial grow lights can be used to supplement natural light, especially during winter months.

How do I care for Philodendron Selloum?

Philodendron Selloum thrives in bright, indirect light, avoiding direct sunlight which can scorch its leaves. Water thoroughly when the top inch of soil feels dry, allowing excess water to drain. Use a well-draining potting mix to prevent root rot. Maintain humidity levels around 60-70% through misting or a humidifier. Fertilize monthly during the growing season (spring and summer) with a balanced liquid fertilizer. Prune any yellow or damaged leaves to encourage healthy growth. Repot every 1-2 years as needed, when the plant becomes root-bound. Provide support for mature plants as they grow larger. Protect from drafts and sudden temperature changes.

How do I propagate Philodendron Selloum?

Philodendron Selloum can be propagated through stem cuttings, division, or air layering. For stem cuttings, take a cutting with at least one node and place it in water or moist soil. For division, carefully separate the plant into multiple sections, ensuring each section has roots. For air layering, make a small cut on the stem, wrap it in moist sphagnum moss, and cover it with plastic wrap until roots develop. Plant the rooted cutting or division in well-draining soil. Maintain high humidity during propagation.

Last updated: May 5, 2026 — Plant care data reviewed and verified by our editorial team.